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TS (Single Row Tapered Roller Bearings) (Imperial) 558A-552A

TS (Single Row Tapered Roller Bearings) (Imperial) 558A-552A

The 558A-552A is a single-row tapered roller bearing with a 2.375″ bore and 4.875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 42900 lbf radially and 6590 lbf thrust, suitable for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 4.6 lb, it offers a robust yet manageable size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number 558A-552A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.375" x 4.875" x 1.5"
  • Bore Dia 2.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.444"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.1875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.5"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.72"
  • Cone Backface Backing Diameter 2.99"
  • Cup Frontface Backing Diameter 4.60"
  • Cup Backface Backing Diameter 4.29"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.37"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 558A
  • Cup Part Number 552A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 555
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 42900 lbf
  • Static Radial Load 55700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 11100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6590 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 4.6 lb

Features

How Is 558A-552A Bearing Engineered for Reliability?

558A-552A Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 42,900 lbf, making it suitable for heavy-duty applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

558A-552A Bearing operates within a temperature range of -30° to 110°C, adapting to different environments.
The steel cage maintains roller alignment, enhancing stability and reducing wear over time.

This bearing requires lubrication but is built to handle high loads efficiently.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

Key Fields for 558A-552A Bearing
In industrial settings, 558A-552A Bearing is commonly used in heavy machinery like conveyor systems and gearboxes, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.
For automotive applications, 558A-552A Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. Its imperial sizing makes it a straightforward replacement for Timken equivalents.
In agricultural equipment, 558A-552A Bearing’s robust design supports tractors and harvesters, where consistent operation is key. The steel cage adds extra strength, making it suitable for rough terrain and heavy use.

What Makes 558A-552A Bearing a Preferred Choice?
558A-552A Bearing excels in construction equipment, such as cranes and excavators, thanks to its ability to manage heavy combined loads. The open design allows for easy lubrication, extending service life.
Its compatibility with Timken bearings makes 558A-552A Bearing a versatile option for maintenance and repairs in various industries. The standard radial clearance ensures smooth operation across different applications.

Built for Heavy-Duty Use: 558A-552A Bearing
558A-552A Bearing is ideal for mining machinery, where its tapered rollers handle extreme loads and harsh conditions. The chrome steel rollers and rings resist wear, reducing downtime.
In forestry equipment, 558A-552A Bearing’s durability shines, supporting log loaders and sawmills. The steel cage provides added stability, even under uneven loads.

Automotive vs Aerospace: Applications of 558A-552A Bearing
In automotive systems, 558A-552A Bearing is often found in heavy-duty trucks, ensuring smooth operation in wheel hubs and transmissions. Its imperial sizing simplifies integration into existing designs.
For aerospace ground support equipment, 558A-552A Bearing’s reliability is valuable in tow tractors and loading systems. The ABEC-1 rating balances precision and cost-effectiveness for these applications.

Q&A

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